Piston Pin Bearing from ProX manufactured in Japan.
You should replace your piston pin bearings every time you replace your piston.
All bearings are very high precision and made of steel 52100 which has been heat treated and thus obtained a harder surface with increased resistance to wear and corrosion.
You should replace your piston pin bearings every time you replace your piston.
All bearings are very high precision and made of steel 52100 which has been heat treated and thus obtained a harder surface with increased resistance to wear and corrosion.